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Versatile 2-bay NAS for small offices and home users
Synology DS218 comes with a new 64-bit quad-core processor, delivering excellent data transfer speed, large storage volume management, and 10-bit 4K H.265 video transcoding on the fly.
Quad-core 1.4GHz
2GB DDR4
Over 112 MB/s and 112 MB/s sequential read and write
Surpass 16TB per single volume
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS218 supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.
Cloud Station Suite provides real-time data synchronization across all your devices and other Synology NAS. "Intelliversioning" keeps the most important file versions to better utilize storage space. Learn more
Cloud Station Sharesync
Cloud Station Drive
Cloud Station Server
DS Cloud
Back up any computer or mobile device with Synology's comprehensive multi-versioning backup solution. You can protect your computer and NAS against malicious attacks including the rising encryption-based ransomware threats.
Access files on your Synology NAS over the Internet without the hassle of setting up port forwarding rules, DDNS, or other complicated network settings. QuickConnect allows you to connect via a secure, customizable address, so that you can instantly access media and work files on any Internet-connected device with no additional charge.
Access and stream your favorite 4K content anywhere, anytime. DS218 supports 10-bit 4K H.265 online transcoding. With Video Station and DS video, you can convert and play 4K videos from any computer, mobile device, or other media players that don't support Ultra HD formats.
Complete surveillance solution for recording, monitoring, and management.
Learn moreBackup and synchronize data easily between your public cloud accounts and your NAS.
Learn moreAward-winning operating system with an intuitive user interface and powerful capabilities.
Learn moreComprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
Learn more
| Hardware Specifications | |
| CPU | |
| CPU Model | Realtek RTD1296 |
| CPU Architecture | 64-bit |
| CPU Frequency | Quad Core 1.4 GHz |
| Hardware Encryption Engine | |
| Hardware Transcoding Engine | 10-bit H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 60 |
| Memory | |
| System Memory | 2 GB DDR4 |
| Storage | |
| Drive Bays | 2 |
| Compatible Drive Type* (See all supported drives) |
|
| Maximum Internal Raw Capacity | 28 TB (14 TB drive x 2) (Capacity may vary by RAID types) |
| Maximum Single Volume Size | 108 TB |
| Hot Swappable Drive | |
| Notes |
|
| External Ports | |
| RJ-45 1GbE LAN Port | 1 |
| USB 2.0 Port | 1 |
| USB 3.0 Port | 2 |
| Copy Button | |
| File System | |
| Internal Drives |
|
| External Drives |
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| Notes | exFAT Access is purchased separately in Package Center. |
| Appearance | |
| Size (Height x Width x Depth) | 165 mm x 108 mm x 233.2 mm |
| Weight | 1.3 kg |
| Others | |
| System Fan | 92 mm x 92 mm x 1 pcs |
| Fan Speed Mode |
|
| Brightness adjustable front LED indicators | |
| Power Recovery | |
| Noise Level* | 19.3 dB(A) |
| Scheduled Power On/Off | |
| Wake on LAN/WAN | |
| Power Supply Unit / Adapter | 60W |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption* | 14.99 W (Access) 5.78 W (HDD Hibernation) |
| British Thermal Unit | 51.15 BTU/hr (Access) 19.72 BTU/hr (HDD Hibernation) |
| Environment Temperature | |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Relative Humidity | 5% to 95% RH |
| Certification |
|
| Warranty | 2 Years |
| Notes |
|
| DSM Specifications ( See more ) | |
| Storage Management | |
| Maximum Internal Volume Number | 256 |
| Maximum iSCSI Target Number | 10 |
| Maximum iSCSI LUN | 10 |
| SSD TRIM | |
| Supported RAID Type |
|
| RAID Migration | Basic to RAID 1 |
| Volume Expansion with Larger HDDs |
|
| Volume Expansion by Adding a HDD | Synology Hybrid RAID |
| File Sharing Capacity | |
| Maximum Local User Accounts | 2048 |
| Maximum Local Groups | 256 |
| Maximum Shared Folder | 256 |
| Maximum Shared Folder Sync Tasks | 2 |
| Maximum Concurrent CIFS/AFP/FTP Connections | 200 |
| Windows Access Control List (ACL) Integration | |
| NFS Kerberos Authentication | |
| Log Center | |
| Syslog Events per Second | 400 |
| Add-on Packages (learn more about the complete add-on package list) | |
| Chat | |
| Maximum Users | 500 |
| Notes |
|
| Cloud Station Server | |
| Maximum Number of Concurrently Connected Devices | 200 |
| Maximum Number of Hosted Files (ext4) | 100,000 |
| Notes |
|
| Download Station | |
| Maximum Concurrent Download Tasks | 80 |
| Drive | |
| Maximum Number of Hosted Files | 100,000 |
| Maximum Number of Concurrent Connections for PC Clients | 200 |
| Notes |
|
| exFAT Access (optional) | |
| Media Server | |
| DLNA Compliance | |
| Moments | |
| Facial recognition | |
| Subject recognition | |
| Office | |
| Maximum Users | 200 |
| Notes |
|
| Snapshot Replication | |
| Maximum Snapshots per Shared Folder | 256 |
| Maximum of system snapshots | 4096 |
| Surveillance Station | |
| Maximum IP cam (Licenses required) | 20 (including 2 Free License) (See All Supported IP Cameras) |
| Total FPS (H.264)* | 600 FPS @ 720p (1280x720) 300 FPS @ 1080p (1920×1080) 200 FPS @ 3M (2048x1536) 150 FPS @ 5M (2591x1944) 110 FPS @ 4K (3840x2160) |
| Total FPS (H.265)* | 600 FPS @ 720p (1280x720) 300 FPS @ 1080p (1920×1080) 240 FPS @ 3M (2048x1536) 200 FPS @ 5M (2591x1944) 180 FPS @ 4K (3840x2160) |
| Total FPS (MJPEG)* | 240 FPS @ 720p (1280x720) 200 FPS @ 1080p (1920×1080) 130 FPS @ 3M (2048x1536) 80 FPS @ 5M (2591x1944) |
| Notes | Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera. |
| Video Station | |
| Video Transcoding | 4K Group 3 (See more) |
| Maximum Transcoding Channel Number | 1 channel, 60 FPS @ 4K (4096 x 2160), H.265 (HEVC), 10-bit or 1 channel, 30 FPS @ 1080p (1920 × 1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
| Notes | |
| VPN Server | |
| Maximum Connections | 20 |
| Environment & Packaging | |
| Environment | RoHS Compliant |
| Packaging Content |
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| Optional Accessories |
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